Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168983 | Process for removing impurities from the mixture of cyclohexanone and cyclohexanol | Kazuhiro Fujii, Michio Nakamura, Kazunao Hanada | 1992-12-08 |
| 4900821 | Method for producing high-purity caprolactam | Takashi Hironaka, Michio Nakamura | 1990-02-13 |